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About Measuring Fittings
Measure the threaded ends of your fittings to identify their pipe size, thread size, schedule, and thread type. Then, find compatible components.
Front and Back Sleeves for Yor-Lok Fittings for Steel Tubing

- For Use With: Air, Mineral Oil, Fuel Oil, Gasoline, Diesel Fuel, Cutting Oil, Hydraulic Fluid
- Temperature Range: -20° to 800° F
- Tubing: Use with seamless steel
- Specifications Met: ASME B31.3
- Compatible With: Let-Lok, Parker A-Lok, Swagelok®
Use these sleeves with Yor-Lok nuts and fittings to create an extra-strong seal on steel tubing. They are also known as ferrules.
Zinc-plated steel sleeves have fair corrosion resistance. 316 stainless steel sleeves have excellent corrosion resistance.
For Tube | ||||||
|---|---|---|---|---|---|---|
| OD | Wall Thick. | Front Sleeve Material | Back Sleeve Material | Max. Pressure | Each | |
| 2mm | 0.3mm | Zinc-Plated Steel | 316 Stainless Steel | 3,000 psi @ 72° F | 4292N111 | 00000 |
| 3mm | 0.8mm | Zinc-Plated Steel | 316 Stainless Steel | 10,000 psi @ 72° F | 4292N112 | 0000 |
| 4mm | 0.8mm | Zinc-Plated Steel | 316 Stainless Steel | 7,200 psi @ 72° F | 4292N113 | 0000 |
| 6mm | 0.8mm | Zinc-Plated Steel | 316 Stainless Steel | 4,400 psi @ 72° F | 4292N114 | 0000 |
| 8mm | 1mm | Zinc-Plated Steel | 316 Stainless Steel | 4,200 psi @ 72° F | 4292N115 | 0000 |
| 10mm | 1mm | Zinc-Plated Steel | 316 Stainless Steel | 3,300 psi @ 72° F | 4292N116 | 0000 |

























